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-   -   Is its really bad for guns to dry fire them? (http://www.mcarterbrown.com/forums/ask-experts/221119-its-really-bad-guns-dry-fire-them.html)

toymachine 12-14-2012 03:39 PM

Is its really bad for guns to dry fire them?
 
I've been coming across manuals of older guns here and there recently (PUMA, PGP, F1 Ill..., etc) and they all mention that it's harmful to the gun to dry fire them? Why is this? Is it also bad for me to be dry firing my '12 Grey Ghost (which I can do given heavy valve spring)? Thx for the help :)

EDIT: I guess in the case of the F1 this had to do with the cocking handle hitting the end of the receiver thus deforming it. That seems like a gun specific issue then. So this rule only applies to certain guns?

russc 12-14-2012 03:42 PM

First, there's a difference between dry firing and firing air without paint.

Poppet valved guns usually rely on the spring force of the air behind the valve to stop hammers from bottoming out with full force. When you fire without air, you get metal on metal smacking, which over time causes wear.

toymachine 12-14-2012 03:50 PM

Right, I meant dry firing w/o air. So, this problem is limited (generally) to poppet valve/blow back (or double bore stacked guns like the PGP where the hammer will smack the valve when there isn't any air pushing the valve stem closed)? Is this a problem for nelson guns too?

heinous 12-14-2012 03:57 PM

i'd imagine those thin power tubes risk breaking with every move of the hammer...

the correct answer is who cares? just buy spare parts! :drool:

SEFishy 12-14-2012 03:59 PM

I only know of the BE Rapter that you could not dry fire without crushing the valve face

russc 12-14-2012 04:00 PM

If I had to settle with a catch-all answer I'd say, dry firing isn't that big a deal, just don't do it more than you have to.

I've had Sheridans break after letting a newbie dry fire for 15 minutes.

toymachine 12-14-2012 07:06 PM

Gotcha, thanks guys :)

And you're right henious, absolutely right :D dan and serg gotta eat after all, don't they?

ta2maki 12-15-2012 12:34 AM

I think the breaking power tubes in nelson guns is due to CO2 freezing and causing them the shatter.

Marmaduke 12-15-2012 01:15 AM

On newer markers, you can burn out the solenoid by continuously dry firing them. Also, it's possible to blow out detents on the marker when firing them with air.

Hobbes 12-15-2012 09:58 AM

Had an Orange bolt in an Intimidator break while firing just air. Though since it's an Orange product it might just have broke by staring at it.


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